.first{
    width: 100%;
    height: calc(100% - 60px);
    overflow-y: scroll;
}
.C{
    margin-top: 20PX;
}
.swiper-slide .swiper-slide-active{
    overflow-y: scroll;
}
.D{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding: 0 5px;
    &>dl{
        width:48%;
        height: 200px;
        &>dt{
            &>img{
                width:180px;
                // height: 100%;
            }
        }
    }

}